add async as a dependency

Author: SagarGaniga

package.json

@@ -13,6 +13,7 @@
   },
   "dependencies": {
     "archiver": "^5.2.0",
+    "async": "^3.2.0",
     "chalk": "^4.1.0",
     "fs-extra": "^8.1.0",
     "glob": "^7.1.6",